Magnitude 4.7
Date-Time

* Wednesday, March 23, 2011 at 00:50:34 UTC
* Wednesday, March 23, 2011 at 10:50:34 AM at epicenter
* Time of Earthquake in other Time Zones

Location 21.892°N, 143.104°E
Depth 242.9 km (150.9 miles)
Region MARIANA ISLANDS REGION
Distances 239 km (148 miles) NW of Farallon de Pajaros, N. Mariana Islands
368 km (228 miles) SSE of Iwo Jima, Volcano Islands, Japan
790 km (490 miles) NNW of SAIPAN, Northern Mariana Islands
1563 km (971 miles) SSE of TOKYO, Japan
Location Uncertainty horizontal +/- 19.2 km (11.9 miles); depth +/- 2.7 km (1.7 miles)
Parameters NST=106, Nph=106, Dmin=584.4 km, Rmss=0.59 sec, Gp= 61°,
M-type=body wave magnitude (Mb), Version=8

Quake Marianas
© USGS